Transcription of REITBARTH AND - Holzworth
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REITBARTH AND - Holzworth
RESIDUAL OR ADDITIVE PHASE NOISEMEASUREMENT FUNDAMENTALSA dditive phase noise , also referred to asresidual phase noise , is the self phase noise ofa component that adds to an existing signal asthe signal passes through it. It is additive lin-early, not in decibels, which would be multi-plicative. The term residual phase noise isused interchangeably with additive phasenoise and is in reference to the original phasenoise measurement of components. The mea-surement system inherently subtracts out thesource noise in the test system, which leavesthe phase noise of the DUT, or residual phasenoise, as the remainder of what is being mea-sured.
importantly, the additive phase noise measurement can give meaningful data on the true signal-to-noise ratio for an amplifier at large signal under
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